profil.c

/* Low-level statistical profiling support function. Stub version. Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#include <sys/types.h>#include <unistd.h>#include <errno.h>/* Enable statistical profiling, writing samples of the PC into at most SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling is enabled, the system examines the user PC and increments SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero, disable profiling. Returns zero on success, -1 on error. */int
__profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
{
if (scale == 0)
/* Disable profiling. */return 0;
__set_errno (ENOSYS);
return -1;
}
weak_alias (__profil, profil)
stub_warning (profil)
#include <stub-tag.h>